Can the Millbrook Wool Luxury 4000 mattress really keep you cool at night? I slept on it in a heatwave to find out
- Posted on August 3, 2025
- By The Guardian
- 3 Views
Can the Millbrook Wool Luxury 4000 mattress really keep you cool at night? I slept on it in a heatwave to find out
Millbrook’s mattress ditches memory foam for temperature-regulating wool and breathable springs. Here’s what I loved – and what didn’t impress me
